/**
 * @file Bone.h
 * @author  Aljosa Osep <aljosa.osep@gmail.com>
 * @version 1.0
 *
 * @section LICENSE
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:

 *  1. Redistributions of source code must retain the above copyright notice, this list of
 *    conditions and the following disclaimer.

 *  2. Redistributions in binary form must reproduce the above copyright notice, this list
 *     of conditions and the following disclaimer in the documentation and/or other materials
 *     provided with the distribution.

 * THIS SOFTWARE IS PROVIDED BY <Aljosa Osep> ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <Aljosa Osep>> OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 * The views and conclusions contained in the software and documentation are those of the
 * authors and should not be interpreted as representing official policies, either expressed
 * or implied, of <Aljosa Osep>.
 *
 * @section DESCRIPTION
 *
 * Bone - Definition of Bone2 and Bone3 classes
 */

#ifndef BONE_H
#define BONE_H

#include "Vector3.h"

#define MAX_CHILDREN 5

using namespace xEngine::PlatformIndependent;


/**
 * Orientation enumeration
 *
 * Represents body part's orientation
 */
enum Orientation
{
    LEFT, RIGHT, NONE
};

/**
 * Bone2 class
 *
 * Implements single bone, suitable for 2D skeleton
 */
class Bone2
{
public:
    short id;  // Unique identifier
    Math::Vector3 pos; // Position
    float length; // Length of the bone

    float maxAngle,  minAngle;  // Angle limits



    /// Methods
    bool addChildBone(Bone2 *bone); // Add children bone method
    void setLimits(float max, float min);

    void release();
    void print() const;

    void draw();

    /// Setters, getters
    void setAngle(const float theta);
    float getAngle() const;

    /// Constructors
    Bone2(short id, const Orientation &orient);  // Default constructor
    Bone2(short id, Math::Vector3 pos, float length, float angle, const Orientation &orient);
    ~Bone2();


private:
    float angle; // Angle (2D)
    Orientation orientation; // Left or right

    short numChildren; // Counter of children bones
    Bone2 *children[MAX_CHILDREN];  // Children bones list
};

#endif // BONE_H
